The Dubbel family participates in a chocolate competition organized by Ko Bonoca. When problems arise at the chocolate shop, they are forced to move to a campsite, where their mother, Chanelle, leads the entertainment team and their father, Jan, runs the kitchen.

When Grandpa Cor has to take care of his grandson Coentje, he gets tempted to participate in a card tournament and loses track of Coentje. His daughter Carola is furious and forbids her father from having any further contact with his grandson